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4318 Bata (1980 DE1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034893409121588 1.9361e-08  
a 3.221393788999316 1.6203e-08 au
q 2.888013868957255 6.3236e-08 au
i 9.541702840269005 2.1357e-06 deg
node 33.12609977836913 4.6628e-06 deg
peri 96.67429335085251 1.5254e-05 deg
M 56.32849920726101 1.4341e-05 deg
tp 2458870.062116453779
(2020-Jan-21.56211645)
8.3909e-05 TDB
period 2111.855273099579
5.78
1.5934e-05
4.362e-08
d
yr
n .1704662268222701 1.2861e-09 deg/d
Q 3.554773709041377 1.788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2758  
   data-arc span      23340 days (63.90 yr)  
   first obs. used      1957-04-28  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42641  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:33:28  

Additional Information
 Earth MOID = 1.92279 au 
 Jupiter MOID = 1.5576 au 
 T_jup = 3.159 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.85   n/a MPCxxxxx  
diameter diameter 25.790 km 4.946 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.571 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.055   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4318 Bata (1980 DE1)          Discovered 1980-Feb-21 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1980 DE1 = 1977 TB3 = 1986 GJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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